Renault has taken a holistic approach to energy saving with its latest concept car. Based on the new Kangoo be bop, the Z.E. (Zero Emission) Concept incorporates a number of innovations across all aspects of the vehicle to ensure optimum range is achieved from the lithium-ion battery powered 70kW (95hp) electric motor. These include the use of heat-reflective paint, acid green-tinted glass and air-insulated body panels designed to reduce reliance on energy-sapping climate control systems, along with roof-mounted solar panels, extensive use of LEDs and aerodynamic enhancements like the replacement of drag-producing exterior mirrors with low-energy cameras. There's also an on-board electric scooter that uses the car's charging system and provides an even greener option for short city trips.